Q: What are the prime factors of the number 12,503,872?

 A: 2, 29, 6737

Why are those the prime factors of the number 12,503,872?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 12,503,872

12,503,872
Factor Arrows
26,251,936
Factor Arrows
23,125,968
Factor Arrows
21,562,984
Factor Arrows
2781,492
Factor Arrows
2390,746
Factor Arrows
2195,373
Factor Arrows
296,737

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 29, 6737

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 29 x 6,737 = 12,503,872

This can also be written as 26 x 291 x 6,7371 = 12,503,872

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 12,503,872:


Ask a Question